题目内容
(请给出正确答案)
[单选题]
下列文件中包含了主机名到IP地址的映射关系的文件是
A./etc/hostname
B./etc/hosts
C./etc/resolv.conf
D./etc/networks
答案
B、/etc/hosts
![](https://lstatic.shangxueba.com/sxbcn/h5/images/tips_org.png)
A./etc/hostname
B./etc/hosts
C./etc/resolv.conf
D./etc/networks
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